Improvement in oil-stone holders



UNITED ffulrliss` PATENT OFFICE.

IIO'MER BItOwN-,for HAMILTON, ILLINOIS.

IMPRov-EM'ENT lm olL-sToNE HOLDERS.

Specification forming part of Letters Patent No. 102,218, dated April26, 1870.

To all lwhom At may concern Beit known that I, HOMER BROWN, of Hamilton,inthe county of Hancock and State of Illinois, have invented a new anduseful Improvement in Oil-Stone Holder; and l dohereby declare that thefollowing is a'full, clear, and exact description thereof, which willenable others skilledV in the art to make and use the same, referencebeing had to the accompanying drawings forming 'partl of thisspecification.`

This invention of cast-metal plates, with pointed feet to use on thebench so as not to slip, arranged to clamp the ends 'of the stone at thetop, and provided with a Aclamping-rod and screw between the top andbottom, and a brace below the rod, to cause the clamping force on. theends of the stone when the plates are secured up to the ends of thestone and the brace by the rod and its uut. The said plates are providedwith 'anges for the bottom of the stone to rest on, and sockets for,confining the ends of the brace, all as `herein-after more fully descrlbed.

Figure lis a longitudinal sectional elevation of my improved oil-stoneholder,-and-Fig. 2 is a transverse section of the same.'

Similar letters of reference indicate corresponding parts.

relates to improvement' --in' holders for' oil-stones; and consists of apair` in place.

of cast-iron or other suitable substance, and

anges D near the top, for the bottom of the` V stone to rest on, andprojecting lips or edges E, to be pressed against the ends of thestone:to hold it firmly in place,

They also have4 sockets at F, for the reception of the ends of the braceG. H is the clamping-rod, passing through the plates lbetween the stoneand` the brace, to be screwed up .by a nut, I, to clamp thewholetogether, securely holding the stone f vTo prevent they holder`from ,tilting 'at the ends when whetting thereat, the plate maybe icurved outward, as shown at K in dotted lines; and, in. case the stoneis thinand Weak, a plate may be introduced` between the stone' andlanges C to support it.

Having thus described my invention, I claimas new and desire to secureby Letters Patent'- An Oil-stone holder composed of the clamp;ing-plates A, brace G, clamping-rod H, and nut I, all arranged for.clamping the stone at the side, substantially as specified.

BENJN'. PIERCE, W. R. WOOD.

